root › cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliopsida › Mesangiospermae › eudicotyledons › Gunneridae › Pentapetalae › rosids › fabids › Malpighiales › Euphorbiaceae › Euphorbioideae › Euphorbieae › Euphorbia › Euphorbia subgen. Esula › Euphorbia sect. Lathyris › Euphorbia lathyris